Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

The 20-mile causeway that separates the Netherlands from the sea.

A public urinal so pretty, it was declared a national monument.

A beautifully eclectic mix of architectural styles.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

This ghost town in Belgium will lose its street art when it ceases to exist.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

The "stairway to heaven" lookout tower was built to resist weather, arson, and the laws of physics.

Artwork tucked within the trees greets visitors with surreal sonic experiences.

A Belgian self-built tower inspired by the Bible and ancient civilizations.

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

This former steel and coal plant is now a neon-lit industrial fantasia.

This massive steel pyramid can be entered by a set of jagged steps that let visitors stand in its heart.

The Bauhaus-style former industrial complex is considered the world's most beautiful coal mine.

This proud Teutonic warrior rises out of a German forest heralding a victory and measuring lightning.

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

A strange rock formation with numerous legends trying to explain it.

Retirement home for giant obsolete machines.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

What was once an underground Nazi city is now Europe's largest bat reserve.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.